ZLED7320 datasheet, PDF - EEWORLD Datasheet

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ZLED7320: DescriptionIC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC; Categorysemiconductor Analog mixed-signal IC; File Size2MB，28 Pages; ManufacturerETC2

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ZLED7320 Overview

IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC

ZLED7320 Parametric

Parameter Name	Attribute value
Number of terminals	6
Minimum operating temperature	-40 Cel
Maximum operating temperature	105 Cel
each_compli	Yes
state	Contact Mfr
jesd_30_code	R-PDFP-F6
Packaging Materials	PLASTIC/EPOXY
ckage_code	DFP
ckage_equivalence_code	FL6,.1,60
packaging shape	RECTANGULAR
Package Size	FLATPACK
wer_supplies__v_	6/40
qualification_status	COMMERCIAL
sub_category	Display Drivers
surface mount	YES
Temperature level	Industrial
Terminal form	FLAT
Terminal spacing	1.5 mm
Terminal location	DUAL

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Data Sheet

Rev. 1.2 / August 2011

ZLED7020

High Current 40V LED Driver with Internal Switch

ZLED7020

High Current 40V LED Driver with Internal Switch

Contents

IC Characteristics .......................................................................................................................................................... 6

1.1

1.2

1.3

1.4

2.1

2.2

2.3

2.4

2.5

2.6

2.7

Absolute Maximum Ratings ................................................................................................................................... 6

Operating Conditions ............................................................................................................................................. 6

Electrical Parameters ............................................................................................................................................. 7

Typical Operation Graphs ...................................................................................................................................... 8

ZLED7x20 Overview ............................................................................................................................................ 13

Control of Output Current via External Sense Resistor Rs .................................................................................. 13

Control of Output Current via an External DC Control Voltage on the ADJ Pin.................................................... 13

Control of Output Current via a PWM Signal on the ADJ Pin ............................................................................... 14

Control of Output Current via a Microcontroller Signal on the ADJ Pin ................................................................ 14

Shutdown Mode ................................................................................................................................................... 14

ZLED7x20 Protection Features ............................................................................................................................ 14

Thermal Shut-down Protection ..................................................................................................................... 14

LED Open Load Protection ........................................................................................................................... 14

Circuit Description ....................................................................................................................................................... 13

2.7.1

2.7.2

3.1

3.2

Application Circuit Design............................................................................................................................................ 15

Applications.......................................................................................................................................................... 15

Thermal Considerations for Application Design ................................................................................................... 17

Temperature Effects of Load, Layout, and Component Selection................................................................. 17

Temperature Effects of Low Supply Voltage V

........................................................................................... 17

Sense Resistor Rs ........................................................................................................................................ 17

Inductor L1 .................................................................................................................................................... 18

Bypass Capacitor C1 .................................................................................................................................... 19

De-bouncing Capacitor C2............................................................................................................................ 21

Capacitor C3 for Reducing Output Ripple ..................................................................................................... 21

Diode D1 ....................................................................................................................................................... 21

3.2.1

3.2.2

3.3

3.3.1

3.3.2

3.3.3

3.3.4

3.3.5

3.3.6

3.4

External Component Selection............................................................................................................................. 17

Application Circuit Layout Requirements ............................................................................................................. 21

ESD Protection ............................................................................................................................................................ 22

Pin Configuration and Package ................................................................................................................................... 23

5.1

5.2

SOT89-5 Package Pin-out and Dimensions for the ZLED7020 ........................................................................... 23

DFN-5 Package Pin-out and Dimensions for the ZLED7320, ZLED7520 and ZLED7720 ................................... 25

Ordering Information ................................................................................................................................................... 27

Document Revision History ......................................................................................................................................... 27

Data Sheet

August 12, 2011

Zentrum Mikroelektronik Dresden AG

— Rev. 1.2

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.

4 of 27

ZLED7320 Related Products

	ZLED7320	ZLED7020	ZLED7020-ZI1R	ZLED7020KIT-D1	ZLED7320-ZI1R	ZLED7520	ZLED7520-ZI1R	ZLED7720	ZLED7720-ZI1R
Description	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC	IC,LASER DIODE/LED DRIVER,FP,6PIN,PLASTIC
Number of terminals	6	6	6	6	6	6	6	6	6
Minimum operating temperature	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel
Maximum operating temperature	105 Cel	105 Cel	105 Cel	105 Cel	105 Cel	105 Cel	105 Cel	105 Cel	105 Cel
each_compli	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
state	Contact Mfr	Contact Mfr	Contact Mfr	Contact Mfr	Contact Mfr	Contact Mfr	Contact Mfr	Contact Mfr	Contact Mfr
jesd_30_code	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6	R-PDFP-F6
Packaging Materials	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
ckage_code	DFP	DFP	DFP	DFP	DFP	DFP	DFP	DFP	DFP
ckage_equivalence_code	FL6,.1,60	FL6,.1,60	FL6,.1,60	FL6,.1,60	FL6,.1,60	FL6,.1,60	FL6,.1,60	FL6,.1,60	FL6,.1,60
packaging shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package Size	FLATPACK	FLATPACK	FLATPACK	FLATPACK	FLATPACK	FLATPACK	FLATPACK	FLATPACK	FLATPACK
wer_supplies__v_	6/40	6/40	6/40	6/40	6/40	6/40	6/40	6/40	6/40
qualification_status	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL
sub_category	Display Drivers	Display Drivers	Display Drivers	Display Drivers	Display Drivers	Display Drivers	Display Drivers	Display Drivers	Display Drivers
surface mount	YES	YES	YES	YES	YES	YES	YES	YES	YES
Temperature level	Industrial	Industrial	Industrial	Industrial	Industrial	Industrial	Industrial	Industrial	Industrial
Terminal form	FLAT	FLAT	FLAT	FLAT	FLAT	FLAT	FLAT	FLAT	FLAT
Terminal spacing	1.5 mm	1.5 mm	1.5 mm	1.5 mm	1.5 mm	1.5 mm	1.5 mm	1.5 mm	1.5 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL

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